15-year-old Max is in search of his father, the famous troubadour Johnny Bigoude, who disappeared shortly after Max's birth. He reaches Saint-Hilare where Madam Doudou, the old teacher, takes care of him and finds him a job as elevator musician in the fly swatter factory Bzzz & Co. But the factory doesn't run well and half of the village gets fired. To boost the swatter sales, a dangerous scientist creates a mass production of flies. Soon, a thick cloud of insects attacks the village... With courage and determination, Max and his new friend Félicie will do their best to neutralize the insane projects of Bzzz&Co. Will they manage to convince the villagers to help them in this adventure? All together will they stop the scientist's crazy handlings? And will Max find his father?Summary written by WILD BUNCH INTERNATIONAL